Home / 144,447.18-199,331.22-84,019.56

Finding the Fourth Proportional to 144,447.18, 199,331.22 and 84,019.56

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Solution

The fourth proportional to 144,447.18, 199,331.22 and 84,019.56 is: 115,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,447.18 : 199,331.22 = 84,019.56 : x
  2. Step 2: Convert to fraction form
    144,447.18/199,331.22 = 84,019.56/x
  3. Step 3: Cross multiply
    144,447.18x = 199,331.22 × 84,019.56
  4. Step 4: Simplify right side
    144,447.18x = 16,747,721,398.66
  5. Step 5: Solve for x
    x = 16,747,721,398.66/144,447.18
  6. Step 6: Final answer
    x = 115,943.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.